Bag



FIG. 1 is a side, perspective view of a bag showing my new design with the opposite side being a mirror image;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective view thereof showing the bag in a different configuration; and,

FIG. 4 is a front view thereof.

The undisclosed bottom view does not form part of the claimed design. 

CLAIM I claim, the ornamental design for a bag, as shown and described. 